159399 (1998 UL1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2139509061 ± 8.61e-09
Semi-major axis (a)1.5269676489 AU ± 5.31e-10
Inclination (i)41.96806947° ± 8.25e-07
Long. of Asc. Node (Ω)214.84517905° ± 4.95e-07
Arg. of Perihelion (ω)353.26133400° ± 1.29e-06
Mean Anomaly (M)298.21637405° ± 1.38e-06
Mean Motion (n)0.5223571242°/day ± 2.72e-10
Perihelion dist (q)1.20027154 AU ± 1.32e-08
Aphelion dist (Q)1.85366376 AU ± 1.32e-08
Orbital Period1.88688205 yr ± 9.84e-10
Physical Parameters
H (abs. magnitude)16.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.058″
Uncertainty0
Orbit TypeAmor
MOID0.195291 AU
Observations Used1813
Gaia Obs Used59
Oppositions9
Arc Total1998-2017
First Observation Used1998-09-28
Last Observation Used2024-12-09
Observations (1949)
Date Type RA Dec Mag Band Observatory
2015-10-24 04:44:30 C 01 08 07.62 +22 24 25.9 q 703
2015-10-24 04:50:18 C 01 08 07.29 +22 24 16.8 q 703
2015-10-24 04:51:25 C 01 08 07.19 +22 24 13.5 q G96
2015-10-24 04:56:05 C 01 08 06.93 +22 24 05.9 q 703
2015-10-24 04:58:47 C 01 08 06.74 +22 24 00.8 q G96
2015-10-24 05:01:53 C 01 08 06.54 +22 23 55.4 q 703
2015-10-29 22:51:37 C 01 00 31.97 +18 24 22.9 q 160
2015-10-29 22:54:33 C 01 00 31.82 +18 24 17.8 q 160
2015-10-29 22:57:19 C 01 00 31.58 +18 24 13.0 q 160
2015-10-30 21:46:37 C 00 59 23.57 +17 44 48.6 q 160
2015-10-30 21:49:34 C 00 59 23.42 +17 44 43.7 q 160
2015-10-30 21:52:18 C 00 59 23.30 +17 44 39.5 q 160
2015-10-31 22:54:13 C 00 58 10.74 +17 01 38.6 q 160
2015-10-31 22:57:12 C 00 58 10.60 +17 01 32.9 q 160
2015-10-31 23:00:11 C 00 58 10.43 +17 01 27.7 q 160
2015-11-01 04:08:34 C 00 57 56.26 +16 52 42.6 q 703
2015-11-01 04:10:00 C 00 57 56.28 +16 52 40.0 q 703
2015-11-01 04:24:07 C 00 57 55.53 +16 52 17.3 q 703
2015-11-01 04:25:34 C 00 57 55.49 +16 52 13.9 q 703
2015-11-01 04:31:56 C 00 57 55.12 +16 52 02.3 q 703
2015-11-01 04:33:24 C 00 57 55.09 +16 52 00.0 q 703
2015-11-01 20:57:35 C 00 57 09.46 +16 23 58.3 q 160
2015-11-01 21:00:09 C 00 57 09.22 +16 23 54.1 q 160
2015-11-01 21:02:43 C 00 57 09.14 +16 23 50.2 q 160
2015-11-02 05:04:43 C 00 56 47.19 +16 10 12.7 R G45
2015-11-02 05:08:22 C 00 56 47.02 +16 10 06.6 R G45
2015-11-02 05:13:11 C 00 56 46.79 +16 09 58.6 R G45
2015-11-02 05:16:05 C 00 56 46.66 +16 09 53.5 R G45
2015-11-02 05:21:14 C 00 56 46.41 +16 09 44.7 R G45
2015-11-02 21:43:58 C 00 56 02.62 +15 41 59.9 q 160
2015-11-02 21:46:55 C 00 56 02.47 +15 41 54.8 q 160
2015-11-02 21:49:52 C 00 56 02.34 +15 41 50.0 q 160
2015-11-03 14:31:05 C 00 55 18.95 +15 13 47.8 q D29
2015-11-03 14:53:09 C 00 55 17.97 +15 13 10.9 q D29
2015-11-03 15:15:14 C 00 55 16.96 +15 12 34.1 q D29
2015-11-06 02:48:43 C 00 52 53.04 +13 34 03.3 q 703
2015-11-06 02:54:30 C 00 52 52.82 +13 33 53.8 q 703
2015-11-06 03:00:17 C 00 52 52.60 +13 33 44.8 q 703
2015-11-06 03:06:03 C 00 52 52.33 +13 33 35.0 q 703
2015-11-06 21:04:33 C 00 52 11.45 +13 04 24.2 o C41
2015-11-06 21:07:51 C 00 52 11.27 +13 04 17.4 o C41
2015-11-06 22:12:36 C 00 52 08.84 +13 02 32.4 o C41
2015-11-06 22:14:14 C 00 52 08.74 +13 02 30.4 o C41
2015-11-06 22:15:55 C 00 52 08.68 +13 02 27.1 o C41
2015-11-08 04:27:38 C 00 51 04.91 +12 14 13.5 R G45
2015-11-08 04:35:52 C 00 51 04.61 +12 14 00.3 R G45
2015-11-08 04:43:44 C 00 51 04.33 +12 13 48.1 R G45
2015-11-08 04:51:23 C 00 51 04.04 +12 13 35.6 R G45
2015-11-08 04:59:00 C 00 51 03.77 +12 13 23.6 R G45
2015-11-08 05:00:45 C 00 51 03.70 +12 13 21.0 R G45